Datasheet

ADAU1761
Rev. C | Page 8 of 92
TYPICAL CURRENT CONSUMPTION
Master clock = 12.288 MHz, input sample rate = 48 kHz, input tone = 1 kHz, normal power management settings, ADC input @ −1 dBFS,
DAC input @ 0 dBFS. For total power consumption, add the IOVDD current listed in Table 2.
Table 3.
Operating Voltage Audio Path Clock Generation
Typical AVDD Current
Consumption (mA)
Direct MCLK 5.24 Record stereo differential to ADC
Integer PLL 6.57
Direct MCLK 5.55
AVDD = IOVDD = 3.3 V
DAC stereo playback to line output (10 kΩ)
Integer PLL 6.90
Direct MCLK 55.5 DAC stereo playback to headphone (16 Ω)
Integer PLL 56.8
Direct MCLK 30.9 DAC stereo playback to headphone (32 Ω)
Integer PLL 32.25
Direct MCLK 56.75 DAC stereo playback to capless headphone (32 Ω)
Integer PLL 58
Direct MCLK 1.9 Record aux stereo bypass to line output (10 kΩ)
Integer PLL 3.3
Direct MCLK 4.25 Record stereo differential to ADC
Integer PLL 5.55
Direct MCLK 4.7
AVDD = IOVDD = 1.8 V
DAC stereo playback to line output (10 kΩ)
Integer PLL 5.7
Direct MCLK 30.81 DAC stereo playback to headphone (16 Ω)
Integer PLL 32
Direct MCLK 18.3 DAC stereo playback to headphone (32 Ω)
Integer PLL 19.5
Direct MCLK 32.6 DAC stereo playback to capless headphone (32 Ω)
Integer PLL 33.7
Direct MCLK 1.9 Record aux stereo bypass to line output (10 kΩ)
Integer PLL 3.07